Commit Graph

7152 Commits

Author SHA1 Message Date
Linus Torvalds 7e40c2100c Kbuild fixes for v6.9
- Deduplicate Kconfig entries for CONFIG_CXL_PMU
 
  - Fix unselectable choice entry in MIPS Kconfig, and forbid this
    structure
 
  - Remove unused include/asm-generic/export.h
 
  - Fix a NULL pointer dereference bug in modpost
 
  - Enable -Woverride-init warning consistently with W=1
 
  - Drop KCSAN flags from *.mod.c files
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Merge tag 'kbuild-fixes-v6.9' of git://git.kernel.org/pub/scm/linux/kernel/git/masahiroy/linux-kbuild

Pull Kbuild fixes from Masahiro Yamada:

 - Deduplicate Kconfig entries for CONFIG_CXL_PMU

 - Fix unselectable choice entry in MIPS Kconfig, and forbid this
   structure

 - Remove unused include/asm-generic/export.h

 - Fix a NULL pointer dereference bug in modpost

 - Enable -Woverride-init warning consistently with W=1

 - Drop KCSAN flags from *.mod.c files

* tag 'kbuild-fixes-v6.9' of git://git.kernel.org/pub/scm/linux/kernel/git/masahiroy/linux-kbuild:
  kconfig: Fix typo HEIGTH to HEIGHT
  Documentation/llvm: Note s390 LLVM=1 support with LLVM 18.1.0 and newer
  kbuild: Disable KCSAN for autogenerated *.mod.c intermediaries
  kbuild: make -Woverride-init warnings more consistent
  modpost: do not make find_tosym() return NULL
  export.h: remove include/asm-generic/export.h
  kconfig: do not reparent the menu inside a choice block
  MIPS: move unselectable FIT_IMAGE_FDT_EPM5 out of the "System type" choice
  cxl: remove CONFIG_CXL_PMU entry in drivers/cxl/Kconfig
2024-03-31 11:23:51 -07:00
Arnd Bergmann c40845e319 kbuild: make -Woverride-init warnings more consistent
The -Woverride-init warn about code that may be intentional or not,
but the inintentional ones tend to be real bugs, so there is a bit of
disagreement on whether this warning option should be enabled by default
and we have multiple settings in scripts/Makefile.extrawarn as well as
individual subsystems.

Older versions of clang only supported -Wno-initializer-overrides with
the same meaning as gcc's -Woverride-init, though all supported versions
now work with both. Because of this difference, an earlier cleanup of
mine accidentally turned the clang warning off for W=1 builds and only
left it on for W=2, while it's still enabled for gcc with W=1.

There is also one driver that only turns the warning off for newer
versions of gcc but not other compilers, and some but not all the
Makefiles still use a cc-disable-warning conditional that is no
longer needed with supported compilers here.

Address all of the above by removing the special cases for clang
and always turning the warning off unconditionally where it got
in the way, using the syntax that is supported by both compilers.

Fixes: 2cd3271b7a ("kbuild: avoid duplicate warning options")
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Acked-by: Hamza Mahfooz <hamza.mahfooz@amd.com>
Acked-by: Jani Nikula <jani.nikula@intel.com>
Acked-by: Andrew Jeffery <andrew@codeconstruct.com.au>
Signed-off-by: Jani Nikula <jani.nikula@intel.com>
Reviewed-by: Linus Walleij <linus.walleij@linaro.org>
Signed-off-by: Masahiro Yamada <masahiroy@kernel.org>
2024-03-31 11:32:26 +09:00
Xi Liu 0ccc2b30f4 drm/amd/display: Set DCN351 BB and IP the same as DCN35
[WHY & HOW]
DCN351 and DCN35 should use the same bounding box and IP settings.

Cc: Mario Limonciello <mario.limonciello@amd.com>
Cc: Alex Deucher <alexander.deucher@amd.com>
Cc: stable@vger.kernel.org
Reviewed-by: Jun Lei <jun.lei@amd.com>
Acked-by: Alex Hung <alex.hung@amd.com>
Signed-off-by: Xi Liu <xi.liu@amd.com>
Tested-by: Daniel Wheeler <daniel.wheeler@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2024-03-27 09:29:15 -04:00
Roman Li 2f10d4a51b drm/amd/display: Fix bounds check for dcn35 DcfClocks
[Why]
NumFclkLevelsEnabled is used for DcfClocks bounds check
instead of designated NumDcfClkLevelsEnabled.
That can cause array index out-of-bounds access.

[How]
Use designated variable for dcn35 DcfClocks bounds check.

Fixes: a8edc9cc0b ("drm/amd/display: Fix array-index-out-of-bounds in dcn35_clkmgr")
Cc: Mario Limonciello <mario.limonciello@amd.com>
Cc: Alex Deucher <alexander.deucher@amd.com>
Cc: stable@vger.kernel.org
Reviewed-by: Sun peng Li <sunpeng.li@amd.com>
Acked-by: Tom Chung <chiahsuan.chung@amd.com>
Signed-off-by: Roman Li <roman.li@amd.com>
Tested-by: Daniel Wheeler <daniel.wheeler@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2024-03-27 09:27:29 -04:00
George Shen edfa93d87f drm/amd/display: Remove MPC rate control logic from DCN30 and above
[Why]
MPC flow rate control is not needed for DCN30 and above. Current logic
that uses it can result in underflow for certain edge cases (such as
DSC N422 + ODM combine + 422 left edge pixel).

[How]
Remove MPC flow rate control logic and programming for DCN30 and above.

Cc: Mario Limonciello <mario.limonciello@amd.com>
Cc: Alex Deucher <alexander.deucher@amd.com>
Cc: stable@vger.kernel.org
Reviewed-by: Wenjing Liu <wenjing.liu@amd.com>
Acked-by: Tom Chung <chiahsuan.chung@amd.com>
Signed-off-by: George Shen <george.shen@amd.com>
Tested-by: Daniel Wheeler <daniel.wheeler@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2024-03-27 09:27:09 -04:00
Wenjing Liu fe869c2e53 drm/amd/display: fix a dereference of a NULL pointer
[why&how]
In some platform out_transfer_func may not be popualted. We need to check
for null before dereferencing it.

Fixes: d2dea1f140 ("drm/amd/display: Generalize new minimal transition path")
Reviewed-by: Alvin Lee <alvin.lee2@amd.com>
Acked-by: Tom Chung <chiahsuan.chung@amd.com>
Signed-off-by: Wenjing Liu <wenjing.liu@amd.com>
Tested-by: Daniel Wheeler <daniel.wheeler@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2024-03-27 09:26:17 -04:00
Taimur Hassan 25358e04a4 drm/amd/display: Send DTBCLK disable message on first commit
[Why]
Previous patch to allow DTBCLK disable didn't address boot case. Driver
thinks DTBCLK is disabled by default, so we don't send disable message to
PMFW. DTBCLK is then enabled at idle desktop on boot, burning power.

[How]
Set dtbclk_en to true on boot so that disable message is sent during first
commit.

Fixes: 27750e176a ("drm/amd/display: Allow DTBCLK disable for DCN35")
Reviewed-by: Charlene Liu <charlene.liu@amd.com>
Acked-by: Tom Chung <chiahsuan.chung@amd.com>
Signed-off-by: Taimur Hassan <syed.hassan@amd.com>
Tested-by: Daniel Wheeler <daniel.wheeler@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2024-03-27 08:58:31 -04:00
Sung Joon Kim 09d62c7beb drm/amd/display: Update dcn351 to latest dcn35 config
[why & how]
There were some fixes in dcn35 that need
to be ported over to dcn351 to prevent any
regression.

Signed-off-by: Sung Joon Kim <sungkim@amd.com>
Reviewed-by: Liu, Xi (Alex) <xiliu102@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2024-03-27 08:57:39 -04:00
Xi Liu 02c825dcc6 drm/amd/display: increase bb clock for DCN351
[Why and how]

Bounding box clocks for DCN351 should be increased as per request

Reviewed-by: Swapnil Patel <swapnil.patel@amd.com>
Acked-by: Wayne Lin <wayne.lin@amd.com>
Signed-off-by: Xi Liu <xi.liu@amd.com>
Tested-by: Daniel Wheeler <daniel.wheeler@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2024-03-27 08:50:05 -04:00
Chris Park 72d72e8fdd drm/amd/display: Prevent crash when disable stream
[Why]
Disabling stream encoder invokes a function that no longer exists.

[How]
Check if the function declaration is NULL in disable stream encoder.

Cc: Mario Limonciello <mario.limonciello@amd.com>
Cc: Alex Deucher <alexander.deucher@amd.com>
Cc: stable@vger.kernel.org
Reviewed-by: Charlene Liu <charlene.liu@amd.com>
Acked-by: Wayne Lin <wayne.lin@amd.com>
Signed-off-by: Chris Park <chris.park@amd.com>
Tested-by: Daniel Wheeler <daniel.wheeler@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2024-03-27 08:49:53 -04:00
Natanel Roizenman a99d819375 drm/amd/display: Increase Z8 watermark times.
Increase Z8 watermark times from 210->250us and 320->350us.

Reviewed-by: Nicholas Kazlauskas <nicholas.kazlauskas@amd.com>
Acked-by: Wayne Lin <wayne.lin@amd.com>
Signed-off-by: Natanel Roizenman <natanel.roizenman@amd.com>
Tested-by: Daniel Wheeler <daniel.wheeler@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2024-03-27 08:49:41 -04:00
Leo Ma 69e3be6893 drm/amd/display: Fix noise issue on HDMI AV mute
[Why]
When mode switching is triggered there is momentary noise visible on
some HDMI TV or displays.

[How]
Wait for 2 frames to make sure we have enough time to send out AV mute
and sink receives a full frame.

Cc: Mario Limonciello <mario.limonciello@amd.com>
Cc: Alex Deucher <alexander.deucher@amd.com>
Cc: stable@vger.kernel.org
Reviewed-by: Wenjing Liu <wenjing.liu@amd.com>
Acked-by: Wayne Lin <wayne.lin@amd.com>
Signed-off-by: Leo Ma <hanghong.ma@amd.com>
Tested-by: Daniel Wheeler <daniel.wheeler@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2024-03-20 13:36:29 -04:00
Wenjing Liu cf8c498694 drm/amd/display: Revert Remove pixle rate limit for subvp
This reverts commit 340383c734 ("drm/amd/display: Remove pixle rate
limit for subvp")

[why]
The original commit causes a regression when subvp is applied
on ODM required 8k60hz timing. The display shows black screen
on boot. The issue can be recovered with hotplug. It also causes
MPO to fail. We will temprarily revert this commit and investigate
the root cause further.

Cc: Mario Limonciello <mario.limonciello@amd.com>
Cc: Alex Deucher <alexander.deucher@amd.com>
Cc: stable@vger.kernel.org
Reviewed-by: Chaitanya Dhere <chaitanya.dhere@amd.com>
Reviewed-by: Martin Leung <martin.leung@amd.com>
Acked-by: Wayne Lin <wayne.lin@amd.com>
Signed-off-by: Wenjing Liu <wenjing.liu@amd.com>
Tested-by: Daniel Wheeler <daniel.wheeler@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2024-03-20 13:12:59 -04:00
Allen Pan 334b56cea5 drm/amd/display: Add a dc_state NULL check in dc_state_release
[How]
Check wheather state is NULL before releasing it.

Cc: Mario Limonciello <mario.limonciello@amd.com>
Cc: Alex Deucher <alexander.deucher@amd.com>
Cc: stable@vger.kernel.org
Reviewed-by: Charlene Liu <charlene.liu@amd.com>
Acked-by: Alex Hung <alex.hung@amd.com>
Signed-off-by: Allen Pan <allen.pan@amd.com>
Tested-by: Daniel Wheeler <daniel.wheeler@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2024-03-20 13:12:59 -04:00
Wenjing Liu 2d7f3d1a58 drm/amd/display: Implement wait_for_odm_update_pending_complete
[WHY]
Odm update is doubled buffered. We need to wait for ODM update to be
completed before optimizing bandwidth or programming new udpates.

[HOW]
implement wait_for_odm_update_pending_complete function to wait for:
1. odm configuration update is no longer pending in timing generator.
2. no pending dpg pattern update for each active OPP.

Cc: Mario Limonciello <mario.limonciello@amd.com>
Cc: Alex Deucher <alexander.deucher@amd.com>
Cc: stable@vger.kernel.org
Reviewed-by: Alvin Lee <alvin.lee2@amd.com>
Acked-by: Alex Hung <alex.hung@amd.com>
Signed-off-by: Wenjing Liu <wenjing.liu@amd.com>
Tested-by: Daniel Wheeler <daniel.wheeler@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2024-03-20 13:12:58 -04:00
Wenjing Liu 94040c2cbb drm/amd/display: Lock all enabled otg pipes even with no planes
[WHY]
On DCN32 we support dynamic ODM even when OTG is blanked. When ODM
configuration is dynamically changed and the OTG is on blank pattern,
we will need to reprogram OPP's test pattern based on new ODM
configuration. Therefore we need to lock the OTG pipe to avoid temporary
corruption when we are reprogramming OPP blank patterns.

[HOW]
Add a new interdependent update lock implementation to lock all enabled
OTG pipes even when there is no plane on the OTG for DCN32.

Cc: Mario Limonciello <mario.limonciello@amd.com>
Cc: Alex Deucher <alexander.deucher@amd.com>
Cc: stable@vger.kernel.org
Reviewed-by: Alvin Lee <alvin.lee2@amd.com>
Acked-by: Alex Hung <alex.hung@amd.com>
Signed-off-by: Wenjing Liu <wenjing.liu@amd.com>
Tested-by: Daniel Wheeler <daniel.wheeler@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2024-03-20 13:12:58 -04:00
ChunTao Tso 8e054b0f1e drm/amd/display: Amend coasting vtotal for replay low hz
[WHY]
The original coasting vtotal is 2 bytes, and it need to
be amended to 4 bytes because low hz case.

[HOW]
Amend coasting vtotal from 2 bytes to 4 bytes.

Cc: Mario Limonciello <mario.limonciello@amd.com>
Cc: Alex Deucher <alexander.deucher@amd.com>
Cc: stable@vger.kernel.org
Reviewed-by: Alvin Lee <alvin.lee2@amd.com>
Acked-by: Alex Hung <alex.hung@amd.com>
Signed-off-by: ChunTao Tso <chuntao.tso@amd.com>
Tested-by: Daniel Wheeler <daniel.wheeler@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2024-03-20 13:12:58 -04:00
Nicholas Kazlauskas 3d066f9547 drm/amd/display: Fix idle check for shared firmware state
[WHY]
We still had an instance of get_idle_state checking the PMFW scratch
register instead of the actual idle allow signal.

[HOW]
Replace it with the SW state check for whether we had allowed idle
through notify_idle.

Cc: Mario Limonciello <mario.limonciello@amd.com>
Cc: Alex Deucher <alexander.deucher@amd.com>
Cc: stable@vger.kernel.org
Reviewed-by: Duncan Ma <duncan.ma@amd.com>
Acked-by: Alex Hung <alex.hung@amd.com>
Signed-off-by: Nicholas Kazlauskas <nicholas.kazlauskas@amd.com>
Tested-by: Daniel Wheeler <daniel.wheeler@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2024-03-20 13:12:58 -04:00
Wenjing Liu 86e9523fb0 drm/amd/display: Update odm when ODM combine is changed on an otg master pipe with no plane
[WHY]
When committing an update with ODM combine change when the plane is
removing or already removed, we fail to detect odm change in pipe
update flags. This has caused mismatch between new dc state and the
actual hardware state, because we missed odm programming.

[HOW]
- Detect odm change even for otg master pipe without a plane.
- Update odm config before calling program pipes for pipe with planes.

The commit also updates blank pattern programming when odm is changed
without plane. This is because number of OPP is changed when ODM
combine is changed. Blank pattern is per OPP so we will need to
reprogram OPP based on the new pipe topology.

Cc: Mario Limonciello <mario.limonciello@amd.com>
Cc: Alex Deucher <alexander.deucher@amd.com>
Cc: stable@vger.kernel.org
Reviewed-by: Dillon Varone <dillon.varone@amd.com>
Acked-by: Alex Hung <alex.hung@amd.com>
Signed-off-by: Wenjing Liu <wenjing.liu@amd.com>
Tested-by: Daniel Wheeler <daniel.wheeler@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2024-03-20 13:12:58 -04:00
Dillon Varone 4f5b8d78ca drm/amd/display: Init DPPCLK from SMU on dcn32
[WHY & HOW]
DPPCLK ranges should be obtained from the SMU when available.

Cc: Mario Limonciello <mario.limonciello@amd.com>
Cc: Alex Deucher <alexander.deucher@amd.com>
Cc: stable@vger.kernel.org
Reviewed-by: Chaitanya Dhere <chaitanya.dhere@amd.com>
Acked-by: Alex Hung <alex.hung@amd.com>
Signed-off-by: Dillon Varone <dillon.varone@amd.com>
Tested-by: Daniel Wheeler <daniel.wheeler@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2024-03-20 13:12:58 -04:00
Josip Pavic 7fb19d9510 drm/amd/display: Allow dirty rects to be sent to dmub when abm is active
[WHY]
It's beneficial for ABM to know when new frame data are available.

[HOW]
Add new condition to allow dirty rects to be sent to DMUB when ABM is
active. ABM will use this as a signal that a new frame has arrived.

Cc: Mario Limonciello <mario.limonciello@amd.com>
Cc: Alex Deucher <alexander.deucher@amd.com>
Cc: stable@vger.kernel.org
Reviewed-by: Anthony Koo <anthony.koo@amd.com>
Acked-by: Alex Hung <alex.hung@amd.com>
Signed-off-by: Josip Pavic <josip.pavic@amd.com>
Tested-by: Daniel Wheeler <daniel.wheeler@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2024-03-20 13:12:58 -04:00
Sohaib Nadeem 26fbcb3da7 drm/amd/display: Override min required DCFCLK in dml1_validate
[WHY]:
Increasing min DCFCLK addresses underflow issues that occur when phantom
pipe is turned on for some Sub-Viewport configs

[HOW]:
dcn32_override_min_req_dcfclk is added to override DCFCLK value in
dml1_validate when subviewport is being used.

Cc: Mario Limonciello <mario.limonciello@amd.com>
Cc: Alex Deucher <alexander.deucher@amd.com>
Cc: stable@vger.kernel.org
Reviewed-by: Alvin Lee <alvin.lee2@amd.com>
Acked-by: Alex Hung <alex.hung@amd.com>
Signed-off-by: Sohaib Nadeem <sohaib.nadeem@amd.com>
Tested-by: Daniel Wheeler <daniel.wheeler@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2024-03-20 13:12:58 -04:00
Swapnil Patel 75eb8f7df6 drm/amd/display: Change default size for dummy plane in DML2
[WHY & HOW]
Currently, to map dc states into dml_display_cfg,
We create a dummy plane if the stream doesn't have any planes
attached to it. This dummy plane uses max addersable width height.
This results in certain mode validations failing when they shouldn't.

Cc: Mario Limonciello <mario.limonciello@amd.com>
Cc: Alex Deucher <alexander.deucher@amd.com>
Cc: stable@vger.kernel.org
Reviewed-by: Chaitanya Dhere <chaitanya.dhere@amd.com>
Acked-by: Alex Hung <alex.hung@amd.com>
Signed-off-by: Swapnil Patel <swapnil.patel@amd.com>
Tested-by: Daniel Wheeler <daniel.wheeler@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2024-03-20 13:12:57 -04:00
R SUNDAR 5eabf0cd26 drm/amd/display: Removed redundant @ symbol to fix kernel-doc warnings in -next repo
For linux-next repository.

./drivers/gpu/drm/amd/display/dc/inc/hw/hubp.h:1: warning: no structured comments found
./drivers/gpu/drm/amd/display/dc/inc/hw/mpc.h:132: warning: Incorrect use of kernel-doc format:          * @@overlap_only: Whether overlapping of different planes is allowed.
./drivers/gpu/drm/amd/display/dc/inc/hw/mpc.h:132: warning: Incorrect use of kernel-doc format:          * @@overlap_only: Whether overlapping of different planes is allowed.
./drivers/gpu/drm/amd/display/dc/inc/hw/mpc.h:1: warning: no structured comments found
./drivers/gpu/drm/amd/display/dc/inc/hw/mpc.h:132: warning: Incorrect use of kernel-doc format:          * @@overlap_only: Whether overlapping of different planes is allowed.
./drivers/gpu/drm/amd/display/dc/inc/hw/mpc.h:162: warning: Function parameter or struct member 'pre_multiplied_alpha' not described in 'mpcc_blnd_cfg'

Signed-off-by: R SUNDAR <prosunofficial@gmail.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2024-03-07 15:33:39 -05:00
Hamza Mahfooz 2728e9c7c8 drm/amd/display: add DC changes for DCN351
Add DC support for DCN 3.5.1.

Signed-off-by: Hamza Mahfooz <hamza.mahfooz@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2024-03-04 15:59:08 -05:00
Hamza Mahfooz 22b66700f6 drm/amd/display: add DCN351 IRQ changes
Add DCN3.5.1 interrupt support.

Signed-off-by: Hamza Mahfooz <hamza.mahfooz@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2024-03-04 15:59:08 -05:00
Srinivasan Shanmugam 34b811a281 drm/amd/display: Prevent potential buffer overflow in map_hw_resources
Adds a check in the map_hw_resources function to prevent a potential
buffer overflow. The function was accessing arrays using an index that
could potentially be greater than the size of the arrays, leading to a
buffer overflow.

Adds a check to ensure that the index is within the bounds of the
arrays. If the index is out of bounds, an error message is printed and
break it will continue execution with just ignoring extra data early to
prevent the buffer overflow.

Reported by smatch:
drivers/gpu/drm/amd/amdgpu/../display/dc/dml2/dml2_wrapper.c:79 map_hw_resources() error: buffer overflow 'dml2->v20.scratch.dml_to_dc_pipe_mapping.disp_cfg_to_stream_id' 6 <= 7
drivers/gpu/drm/amd/amdgpu/../display/dc/dml2/dml2_wrapper.c:81 map_hw_resources() error: buffer overflow 'dml2->v20.scratch.dml_to_dc_pipe_mapping.disp_cfg_to_plane_id' 6 <= 7

Fixes: 7966f319c6 ("drm/amd/display: Introduce DML2")
Cc: Rodrigo Siqueira <Rodrigo.Siqueira@amd.com>
Cc: Roman Li <roman.li@amd.com>
Cc: Qingqing Zhuo <Qingqing.Zhuo@amd.com>
Cc: Aurabindo Pillai <aurabindo.pillai@amd.com>
Cc: Tom Chung <chiahsuan.chung@amd.com>
Signed-off-by: Srinivasan Shanmugam <srinivasan.shanmugam@amd.com>
Suggested-by: Roman Li <roman.li@amd.com>
Reviewed-by: Roman Li <roman.li@amd.com>
Reviewed-by: Rodrigo Siqueira <Rodrigo.Siqueira@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2024-02-26 11:12:54 -05:00
Lenko Donchev f634ee1737 drm/amd/display: Use kcalloc() instead of kzalloc()
We are trying to get rid of all multiplications from allocation
functions to prevent integer overflows. Here the multiplication is
obviously safe, but using kcalloc() is more appropriate and improves
readability. This patch has no effect on runtime behavior.

Link: https://www.kernel.org/doc/html/next/process/deprecated.html#open-coded-arithmetic-in-allocator-arguments
Link: https://github.com/KSPP/linux/issues/162

Reviewed-by: Rodrigo Siqueira <Rodrigo.Siqueira@amd.com>
Signed-off-by: Lenko Donchev <lenko.donchev@gmail.com>
Signed-off-by: Rodrigo Siqueira <Rodrigo.Siqueira@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2024-02-22 10:28:32 -05:00
Aric Cyr 94873e6265 drm/amd/display: 3.2.273
This version brings along the following:

- Re-enable windowed MPO support for DCN32/321
- Improvements in the subvp feature
- Code clean up
- USB4 fixes

Acked-by: Rodrigo Siqueira <rodrigo.siqueira@amd.com>
Signed-off-by: Aric Cyr <aric.cyr@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2024-02-22 10:26:25 -05:00
Rodrigo Siqueira f4b96df9ab drm/amd/display: Drop unnecessary header
A long time ago, the slab header was added to multiple files in DC. We
also included it in the os_types.h, which is included in many of those
DC files. At this point, there is no need to insert the slab.h header in
multiple files, so this commit drops those includes.

Tested-by: Daniel Wheeler <daniel.wheeler@amd.com>
Reviewed-by: Hamza Mahfooz <hamza.mahfooz@amd.com>
Signed-off-by: Rodrigo Siqueira <Rodrigo.Siqueira@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2024-02-22 10:26:08 -05:00
Wenjing Liu 34241dc665 drm/amd/display: reenable windowed mpo odm support on dcn32 and dcn321
[why]
The feature was disabled due to regression found during testing. Now
that all the pending issues are addressed, we are reenabling the power
saving feature again.

The feature optimizes dispclk level when user is using MPO capable
broswers or watching MPO capable videos in windowed mode. The feature
achieves power optimization by utilizing free pipes to process incoming
pixels in parallel. So it reduces max dispclk requirements for each
pipe.

Previously ODM power optimization will be disabled when MPO plane is
present due to technical challeges. This is mainly because ODM divides
pixel workload with respect to stream but MPO plane position and size
are arbitrary with respect to stream. The pixel processing workload of
an MPO plane is not guarenteed to be evenly distributed across DCN pipes.
For example if a plane is moved inside single ODM slice, all the
processing for the plane is distributed to the pipe in the current ODM
slice, while the other ODM slices don't need to process this plane. If
the plane is then moved to the middle crosing two ODM slices, each ODM
slice gets half of the workload. This is especially difficult when the
plane itself has a large source rect which can't be processed by single
DCN pipe. In this case we can't enable ODM power optimization when the
plane is only within one ODM slice.

[how]
To overcome the challeges, new pipe resource management is in place to
make sure a plane is validated with ODM power optimization support if
it can be validated regardless of its position and the same pipe
topology can be used regardless of the plane's position. When the plane
is moved outside current ODM slice, we will set recout to 0 so the pipe
can be idling without the need to update pipe topology. When the user
resizes a plane, it may result in downscaling ratio changes. When the
downscaling ratio is above single pipe's threshold, we will seamlessly
exit ODM power optimization and applies MPC combine to support the plane.
when downscaling ratio becomes smaller, we will seamlessly enter ODM
power optimization again. All these pipe transitions happen
automatically and quietly when the conditions are met without any visual
impacts to the user.

Reviewed-by: Martin Leung <martin.leung@amd.com>
Acked-by: Rodrigo Siqueira <rodrigo.siqueira@amd.com>
Tested-by: Daniel Wheeler <daniel.wheeler@amd.com>
Signed-off-by: Wenjing Liu <wenjing.liu@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2024-02-22 10:25:36 -05:00
Alvin Lee 340383c734 drm/amd/display: Remove pixle rate limit for subvp
Subvp bugs related to 8K60 have been fixed, so remove the limit that
blocks 8K60 timings from enabling SubVP.

Reviewed-by: Nevenko Stupar <nevenko.stupar@amd.com>
Reviewed-by: Chaitanya Dhere <chaitanya.dhere@amd.com>
Acked-by: Rodrigo Siqueira <rodrigo.siqueira@amd.com>
Tested-by: Daniel Wheeler <daniel.wheeler@amd.com>
Signed-off-by: Alvin Lee <alvin.lee2@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2024-02-22 10:25:06 -05:00
Ethan Bitnun 4588490a02 drm/amd/display: Only log during optimize_bandwidth call
Prevent logs during a prepare_bandwidth call to ensure log accuracy.

Reviewed-by: Alvin Lee <alvin.lee2@amd.com>
Acked-by: Rodrigo Siqueira <rodrigo.siqueira@amd.com>
Tested-by: Daniel Wheeler <daniel.wheeler@amd.com>
Signed-off-by: Ethan Bitnun <etbitnun@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2024-02-22 10:24:37 -05:00
Swapnil Patel b75a1da662 drm/amd/display: fix input states translation error for dcn35 & dcn351
[Why]
Currently there is an error while translating input clock sates into
output clock states. The highest fclk setting from output sates is
being dropped because of this error.

[How]
For dcn35 and dcn351, make output_states equal to input states.

Reviewed-by: Charlene Liu <charlene.liu@amd.com>
Acked-by: Rodrigo Siqueira <rodrigo.siqueira@amd.com>
Tested-by: Daniel Wheeler <daniel.wheeler@amd.com>
Signed-off-by: Swapnil Patel <swapnil.patel@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2024-02-22 10:24:15 -05:00
Alvin Lee d2dea1f140 drm/amd/display: Generalize new minimal transition path
Previously the new minimal transition path was only used for windowed
MPO + ODM for plane scaling updates. However, we want to generalize the
transition for all cases whenever a non-seamless transition is detected
(such as for MPO -> SubVP + MPC).

To make this change we add pointers in the plane state, stream, and
pointers in the stream state to the dc_scratch state and backup and
restore these so the minimal transition can take place successfully.

Reviewed-by: Wenjing Liu <wenjing.liu@amd.com>
Acked-by: Rodrigo Siqueira <rodrigo.siqueira@amd.com>
Tested-by: Daniel Wheeler <daniel.wheeler@amd.com>
Signed-off-by: Alvin Lee <alvin.lee2@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2024-02-22 10:24:05 -05:00
George Shen 7d1e9d0369 drm/amd/display: Check DP Alt mode DPCS state via DMUB
[Why]
Currently, driver state for DCN3.2 is not strictly matching HW state for
the USBC port. To reduce inconsistencies while debugging, the driver
should match HW configuration.

[How]
Update link encoder flag to indicate USBC port. Call into DMUB to check
when DP Alt mode is entered, and also to check for 2-lane versuse 4-lane
mode.

Reviewed-by: Charlene Liu <charlene.liu@amd.com>
Acked-by: Rodrigo Siqueira <rodrigo.siqueira@amd.com>
Tested-by: Daniel Wheeler <daniel.wheeler@amd.com>
Signed-off-by: George Shen <george.shen@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2024-02-22 10:23:55 -05:00
Srinivasan Shanmugam 1d55183c2c drm/amd/display: Fix potential null pointer dereference in dc_dmub_srv
Fixes potential null pointer dereference warnings in the
dc_dmub_srv_cmd_list_queue_execute() and dc_dmub_srv_is_hw_pwr_up()
functions.

In both functions, the 'dc_dmub_srv' variable was being dereferenced
before it was checked for null. This could lead to a null pointer
dereference if 'dc_dmub_srv' is null. The fix is to check if
'dc_dmub_srv' is null before dereferencing it.

Thus moving the null checks for 'dc_dmub_srv' to the beginning of the
functions to ensure that 'dc_dmub_srv' is not null when it is
dereferenced.

Found by smatch & thus fixing the below:
drivers/gpu/drm/amd/amdgpu/../display/dc/dc_dmub_srv.c:133 dc_dmub_srv_cmd_list_queue_execute() warn: variable dereferenced before check 'dc_dmub_srv' (see line 128)
drivers/gpu/drm/amd/amdgpu/../display/dc/dc_dmub_srv.c:1167 dc_dmub_srv_is_hw_pwr_up() warn: variable dereferenced before check 'dc_dmub_srv' (see line 1164)

Fixes: 028bac5834 ("drm/amd/display: decouple dmcub execution to reduce lock granularity")
Fixes: 65138eb72e ("drm/amd/display: Add DCN35 DMUB")
Cc: JinZe.Xu <jinze.xu@amd.com>
Cc: Hersen Wu <hersenxs.wu@amd.com>
Cc: Josip Pavic <josip.pavic@amd.com>
Cc: Roman Li <roman.li@amd.com>
Cc: Qingqing Zhuo <Qingqing.Zhuo@amd.com>
Cc: Harry Wentland <Harry.Wentland@amd.com>
Cc: Rodrigo Siqueira <Rodrigo.Siqueira@amd.com>
Cc: Aurabindo Pillai <aurabindo.pillai@amd.com>
Cc: Tom Chung <chiahsuan.chung@amd.com>
Signed-off-by: Srinivasan Shanmugam <srinivasan.shanmugam@amd.com>
Reviewed-by: Tom Chung <chiahsuan.chung@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2024-02-22 10:18:15 -05:00
Lewis Huang 4af4d2c275 drm/amd/display: Only allow dig mapping to pwrseq in new asic
[Why]
The old asic only have 1 pwrseq hw.
We don't need to map the diginst to pwrseq inst in old asic.

[How]
1. Only mapping dig to pwrseq for new asic.
2. Move mapping function into dcn specific panel control component

Cc: Stable <stable@vger.kernel.org> # v6.6+
Cc: Mario Limonciello <mario.limonciello@amd.com>
Link: https://gitlab.freedesktop.org/drm/amd/-/issues/3122
Reviewed-by: Anthony Koo <anthony.koo@amd.com>
Acked-by: Rodrigo Siqueira <rodrigo.siqueira@amd.com>
Tested-by: Daniel Wheeler <daniel.wheeler@amd.com>
Signed-off-by: Lewis Huang <lewis.huang@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2024-02-22 10:17:52 -05:00
Rodrigo Siqueira b4272c1c59 drm/amd/display: Remove redundant FPU guard
The function dcn32_build_wm_range_table call DC_FP_START/END. Drop the
unnecessary FPU guard.

Tested-by: Daniel Wheeler <daniel.wheeler@amd.com>
Reviewed-by: Hamza Mahfooz <hamza.mahfooz@amd.com>
Signed-off-by: Rodrigo Siqueira <Rodrigo.Siqueira@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2024-02-22 10:15:00 -05:00
Rodrigo Siqueira fe9e1549ce drm/amd/display: Add SMU timeout check and retry
Instead of only asserting in the case of the SMU wait time is not what
we expect, add the SMU timeout check and try again.

Tested-by: Daniel Wheeler <daniel.wheeler@amd.com>
Acked-by: Hamza Mahfooz <hamza.mahfooz@amd.com>
Signed-off-by: Rodrigo Siqueira <Rodrigo.Siqueira@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2024-02-22 10:14:53 -05:00
Rodrigo Siqueira 0fbe49bef9 drm/amd/display: Remove unused file
The file rv1_clk_mgr_clk.c is not used and for this reason useless. Drop
the unnecessary file.

Tested-by: Daniel Wheeler <daniel.wheeler@amd.com>
Reviewed-by: Hamza Mahfooz <hamza.mahfooz@amd.com>
Signed-off-by: Rodrigo Siqueira <Rodrigo.Siqueira@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2024-02-22 10:14:46 -05:00
Rodrigo Siqueira b79f1e8ddb drm/amd/display: Initialize variable with default value
Set a default value for target_div.

Tested-by: Daniel Wheeler <daniel.wheeler@amd.com>
Reviewed-by: Hamza Mahfooz <hamza.mahfooz@amd.com>
Signed-off-by: Rodrigo Siqueira <Rodrigo.Siqueira@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2024-02-22 10:14:34 -05:00
Rodrigo Siqueira 385d9f7f2e drm/amd/display: Remove break after return
Remove break after return since it will never be reached.

Tested-by: Daniel Wheeler <daniel.wheeler@amd.com>
Reviewed-by: Hamza Mahfooz <hamza.mahfooz@amd.com>
Signed-off-by: Rodrigo Siqueira <Rodrigo.Siqueira@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2024-02-19 14:50:32 -05:00
Srinivasan Shanmugam f6aed043ee drm/amd/display: Add 'replay' NULL check in 'edp_set_replay_allow_active()'
In the first if statement, we're checking if 'replay' is NULL. But in
the second if statement, we're not checking if 'replay' is NULL again
before calling replay->funcs->replay_set_power_opt().

if (replay == NULL && force_static)
    return false;

...

if (link->replay_settings.replay_feature_enabled &&
    replay->funcs->replay_set_power_opt) {
	replay->funcs->replay_set_power_opt(replay, *power_opts, panel_inst);
	link->replay_settings.replay_power_opt_active = *power_opts;
}

If 'replay' is NULL, this will cause a null pointer dereference.

Fixes the below found by smatch:
drivers/gpu/drm/amd/amdgpu/../display/dc/link/protocols/link_edp_panel_control.c:895 edp_set_replay_allow_active() error: we previously assumed 'replay' could be null (see line 887)

Fixes: c7ddc0a800 ("drm/amd/display: Add Functions to enable Freesync Panel Replay")
Cc: Bhawanpreet Lakha <Bhawanpreet.Lakha@amd.com>
Cc: Roman Li <roman.li@amd.com>
Cc: Rodrigo Siqueira <Rodrigo.Siqueira@amd.com>
Cc: Aurabindo Pillai <aurabindo.pillai@amd.com>
Cc: Tom Chung <chiahsuan.chung@amd.com>
Suggested-by: Tom Chung <chiahsuan.chung@amd.com>
Signed-off-by: Srinivasan Shanmugam <srinivasan.shanmugam@amd.com>
Reviewed-by: Tom Chung <chiahsuan.chung@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2024-02-16 15:43:51 -05:00
Aric Cyr 79863ddee8 drm/amd/display: 3.2.272
Summary:

* Revert some changes related to pixel encoding and clocks that cause
  corruption
* IPS hang fix and FGCG enable by default for DCN35
* PSR-SU/Replay fixes
* Plane clip size change treated as medium update
* Fix for checking link alignment done during link training.
* HDMI compliance test fixes and other improvements

Acked-by: Aurabindo Pillai <aurabindo.pillai@amd.com>
Signed-off-by: Aric Cyr <aric.cyr@amd.com>
Tested-by: Daniel Wheeler <daniel.wheeler@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2024-02-16 15:40:48 -05:00
George Shen e9e1abb397 Revert "drm/amd/display: Add left edge pixel for YCbCr422/420 + ODM pipe split"
[Why/How]
A regression was identified with the change to add left edge pixel for
YCbCr422/420 + ODM combine cases.

This reverts commit 288c0254a0

Cc: Mario Limonciello <mario.limonciello@amd.com>
Cc: Alex Deucher <alexander.deucher@amd.com>
Cc: stable@vger.kernel.org
Reviewed-by: Martin Leung <martin.leung@amd.com>
Acked-by: Aurabindo Pillai <aurabindo.pillai@amd.com>
Signed-off-by: George Shen <george.shen@amd.com>
Tested-by: Daniel Wheeler <daniel.wheeler@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2024-02-14 17:16:16 -05:00
Nicholas Kazlauskas 749f1ad0c3 drm/amd/display: Increase ips2_eval delay for DCN35
[Why]
New worst-case measurement observed at 1897us.

[How]
Increase to 2000us to cover the new worst case + margin.

Reviewed-by: Ovidiu Bunea <ovidiu.bunea@amd.com>
Acked-by: Aurabindo Pillai <aurabindo.pillai@amd.com>
Signed-off-by: Nicholas Kazlauskas <nicholas.kazlauskas@amd.com>
Tested-by: Daniel Wheeler <daniel.wheeler@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2024-02-14 17:15:15 -05:00
Martin Tsai bfeefe6ea5 drm/amd/display: should support dmub hw lock on Replay
[Why]
Without acquiring DMCUB hw lock, a race condition is caused with
Panel Replay feature, which will trigger a hang. Indicate that a
lock is necessary to prevent this when replay feature is enabled.

[How]
To allow dmub hw lock on Replay.

Reviewed-by: Robin Chen <robin.chen@amd.com>
Acked-by: Aurabindo Pillai <aurabindo.pillai@amd.com>
Signed-off-by: Martin Tsai <martin.tsai@amd.com>
Tested-by: Daniel Wheeler <daniel.wheeler@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2024-02-14 17:15:09 -05:00
Charlene Liu ae3986e727 drm/amd/display: allow psr-su/replay for z8
[why]
allow psr-su/replay for z8

Reviewed-by: Muhammad Ahmed <ahmed.ahmed@amd.com>
Reviewed-by: Sung joon Kim <sungjoon.kim@amd.com>
Acked-by: Aurabindo Pillai <aurabindo.pillai@amd.com>
Signed-off-by: Charlene Liu <charlene.liu@amd.com>
Tested-by: Daniel Wheeler <daniel.wheeler@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2024-02-14 17:15:01 -05:00
Srinivasan Shanmugam 615fb05872 drm/amdgpu/display: Initialize gamma correction mode variable in dcn30_get_gamcor_current()
The dcn30_get_gamcor_current() function is responsible for determining
the current gamma correction mode used by the display controller.
However, the 'mode' variable, which stores the gamma correction mode,
was not initialized before its first usage, leading to an uninitialized
symbol error.

Thus initializes the 'mode' variable with a default value of LUT_BYPASS
before the conditional statements in the function, improves code clarity
and stability, ensuring correct behavior of the
dcn30_get_gamcor_current() function in determining the gamma correction
mode.

Fixes the below:
drivers/gpu/drm/amd/amdgpu/../display/dc/dcn30/dcn30_dpp_cm.c:77 dpp30_get_gamcor_current() error: uninitialized symbol 'mode'.

Fixes: 03f54d7d34 ("drm/amd/display: Add DCN3 DPP")
Cc: Bhawanpreet Lakha <Bhawanpreet.Lakha@amd.com>
Cc: Rodrigo Siqueira <Rodrigo.Siqueira@amd.com>
Cc: Aurabindo Pillai <aurabindo.pillai@amd.com>
Cc: Tom Chung <chiahsuan.chung@amd.com>
Signed-off-by: Srinivasan Shanmugam <srinivasan.shanmugam@amd.com>
Suggested-by: Roman Li <roman.li@amd.com>
Reviewed-by: Aurabindo Pillai <aurabindo.pillai@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2024-02-14 17:14:19 -05:00